text: /*************************************************************************/
  /*  file_access_jandroid.cpp                                             */
  /*************************************************************************/
  /*                       This file is part of:                           */
  /*                           GODOT ENGINE                                */
  /*                    http://www.godotengine.org                         */
  /*************************************************************************/
  /* Copyright (c) 2007-2015 Juan Linietsky, Ariel Manzur.                 */
  /*                                                                       */
  /* Permission is hereby granted, free of charge, to any person obtaining */
  /* a copy of this software and associated documentation files (the       */
  /* "Software"), to deal in the Software without restriction, including   */
  /* without limitation the rights to use, copy, modify, merge, publish,   */
  /* distribute, sublicense, and/or sell copies of the Software, and to    */
  /* permit persons to whom the Software is furnished to do so, subject to */
  /* the following conditions:                                             */
  /*                                                                       */
  /* The above copyright notice and this permission notice shall be        */
  /* included in all copies or substantial portions of the Software.       */
  /*                                                                       */
  /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
  /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
  /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
  /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
  /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
  /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
  /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
  /*************************************************************************/
  #ifndef ANDROID_NATIVE_ACTIVITY
  
  #include "file_access_jandroid.h"
  #include "os/os.h"
  #include <unistd.h>
  #include "thread_jandroid.h"
  
  jobject FileAccessJAndroid::io=NULL;
  jclass FileAccessJAndroid::cls;
  jmethodID FileAccessJAndroid::_file_open=0;
  jmethodID FileAccessJAndroid::_file_get_size=0;
  jmethodID FileAccessJAndroid::_file_seek=0;
  jmethodID FileAccessJAndroid::_file_read=0;
  jmethodID FileAccessJAndroid::_file_tell=0;
  jmethodID FileAccessJAndroid::_file_eof=0;
  jmethodID FileAccessJAndroid::_file_close=0;
  
  
  FileAccess* FileAccessJAndroid::create_jandroid() {
  
  	return memnew(FileAccessJAndroid);
  }
  
  Error FileAccessJAndroid::_open(const String& p_path, int p_mode_flags) {
  
  	if (is_open())
  		close();
  
  	String path=fix_path(p_path).simplify_path();
  	if (path.begins_with("/"))
  		path=path.substr(1,path.length());
  	else if (path.begins_with("res://"))
  		path=path.substr(6,path.length());
  
  	JNIEnv *env = ThreadAndroid::get_env();
  
  
  
  	jstring js = env->NewStringUTF(path.utf8().get_data());
  	int res = env->CallIntMethod(io,_file_open,js,p_mode_flags&WRITE?true:false);
  	env->DeleteLocalRef(js);
  
  	OS::get_singleton()->print("fopen: '%s' ret %i\n",path.utf8().get_data(),res);
  
  
  	if (res<=0)
  		return ERR_FILE_CANT_OPEN;
  	id=res;
  
  
  	return OK;
  }
  
  void FileAccessJAndroid::close() {
  
  	if (!is_open())
  		return;
  
  	JNIEnv *env = ThreadAndroid::get_env();
  
  	env->CallVoidMethod(io,_file_close,id);
  	id=0;
  
  }
  bool FileAccessJAndroid::is_open() const {
  
  	return id!=0;
  }
  
  void FileAccessJAndroid::seek(size_t p_position) {
  
  	JNIEnv *env = ThreadAndroid::get_env();
  
  	ERR_FAIL_COND(!is_open());
  	env->CallVoidMethod(io,_file_seek,id,p_position);
  }
  void FileAccessJAndroid::seek_end(int64_t p_position) {
  
  	ERR_FAIL_COND(!is_open());
  
  	seek(get_len());
  
  }
  size_t FileAccessJAndroid::get_pos() const {
  
  	JNIEnv *env = ThreadAndroid::get_env();
  	ERR_FAIL_COND_V(!is_open(),0);
  	return env->CallIntMethod(io,_file_tell,id);
  
  }
  size_t FileAccessJAndroid::get_len() const {
  
  	JNIEnv *env = ThreadAndroid::get_env();
  	ERR_FAIL_COND_V(!is_open(),0);
  	return env->CallIntMethod(io,_file_get_size,id);
  
  
  }
  
  bool FileAccessJAndroid::eof_reached() const {
  
  	JNIEnv *env = ThreadAndroid::get_env();
  	ERR_FAIL_COND_V(!is_open(),0);
  	return env->CallIntMethod(io,_file_eof,id);
  
  }
  
  uint8_t FileAccessJAndroid::get_8() const {
  
  	ERR_FAIL_COND_V(!is_open(),0);
  	uint8_t byte;
  	get_buffer(&byte,1);
  	return byte;
  }
  int FileAccessJAndroid::get_buffer(uint8_t *p_dst, int p_length) const {
  
  	ERR_FAIL_COND_V(!is_open(),0);
  	if (p_length==0)
  		return 0;
  	JNIEnv *env = ThreadAndroid::get_env();
  
  	jbyteArray jca = (jbyteArray)env->CallObjectMethod(io,_file_read,id,p_length);
  
  
  	int len = env->GetArrayLength(jca);
  	env->GetByteArrayRegion(jca,0,len,(jbyte*)p_dst);
  	env->DeleteLocalRef((jobject)jca);
  
  	return len;
  
  }
  
  Error FileAccessJAndroid::get_error() const {
  
  	if (eof_reached())
  		return ERR_FILE_EOF;
  	return OK;
  }
  
  void FileAccessJAndroid::store_8(uint8_t p_dest) {
  
  
  }
  
  bool FileAccessJAndroid::file_exists(const String& p_path) {
  
  	JNIEnv *env = ThreadAndroid::get_env();
  
  	String path=fix_path(p_path).simplify_path();
  	if (path.begins_with("/"))
  		path=path.substr(1,path.length());
  	else if (path.begins_with("res://"))
  		path=path.substr(6,path.length());
  
  	jstring js = env->NewStringUTF(path.utf8().get_data());
  	int res = env->CallIntMethod(io,_file_open,js,false);
  	if (res<=0)
  		return false;
  	env->CallVoidMethod(io,_file_close,res);
  	env->DeleteLocalRef(js);
  	return true;
  
  }
  
  
  void FileAccessJAndroid::setup(  jobject p_io) {
  
  
  	io=p_io;
  	JNIEnv *env = ThreadAndroid::get_env();
  
  	__android_log_print(ANDROID_LOG_INFO,"godot","STEP5");
  
  	jclass c = env->GetObjectClass(io);
  	__android_log_print(ANDROID_LOG_INFO,"godot","STEP6");
  	cls=(jclass)env->NewGlobalRef(c);
  
  	_file_open = env->GetMethodID(cls, "file_open", "(Ljava/lang/String;Z)I");	
  	if(_file_open != 0) {
  		__android_log_print(ANDROID_LOG_INFO,"godot","*******GOT METHOD _file_open ok!!");
  	}
  	_file_get_size = env->GetMethodID(cls, "file_get_size", "(I)I");
  	if(_file_get_size != 0) {
  		__android_log_print(ANDROID_LOG_INFO,"godot","*******GOT METHOD _file_get_size ok!!");
  	}
  	_file_tell = env->GetMethodID(cls, "file_tell", "(I)I");
  	if(_file_tell != 0) {
  		__android_log_print(ANDROID_LOG_INFO,"godot","*******GOT METHOD _file_tell ok!!");
  	}
  	_file_eof = env->GetMethodID(cls, "file_eof", "(I)Z");
  
  	if(_file_eof != 0) {
  		__android_log_print(ANDROID_LOG_INFO,"godot","*******GOT METHOD _file_eof ok!!");
  	}
  	_file_seek = env->GetMethodID(cls, "file_seek", "(II)V");
  	if(_file_seek != 0) {
  		__android_log_print(ANDROID_LOG_INFO,"godot","*******GOT METHOD _file_seek ok!!");
  	}
  	_file_read = env->GetMethodID(cls, "file_read", "(II)[B");
  	if(_file_read != 0) {
  		__android_log_print(ANDROID_LOG_INFO,"godot","*******GOT METHOD _file_read ok!!");
  	}
  	_file_close = env->GetMethodID(cls, "file_close", "(I)V");
  	if(_file_close != 0) {
  		__android_log_print(ANDROID_LOG_INFO,"godot","*******GOT METHOD _file_close ok!!");
  	}
  
  //	(*env)->CallVoidMethod(env,obj,aMethodID, myvar);
  }
  
  
  FileAccessJAndroid::FileAccessJAndroid()
  {
  
  	id=0;
  }
  
  FileAccessJAndroid::~FileAccessJAndroid()
  {
  
  	if (is_open())
  		close();
  }
  
  
  #endif
  